Detachable chain-guide for pull-sockets.



wfi v 7 v BY H. HUBBELL.

DETAGHABLE CHAIN GUIDE FOR PULL SOCKETS. APPLIOATION IILED JULY 23, 1909.

943,071'1 Patented Dec. 14, 15509.

ATTORNEY HARVEY HUBBELL, 0F BRIDGEPOBT,

CONNECTICUT.

DETACHABLECHAIN-GUIDE FOR PULL-SOCKETS.

Specification of Letters Patent.

Patented Eco. tat, filth).

Application filed July 23, 1909. Serial I-l'o. 509,220.

T 0 all whom it may concern:

Be it known that I, IIAKVEY HUBBELL, a citizen of the United States, residing at Bridgeport, county of Fairlield, State of Connecticut, have invented an Improvement in Detachable Chain-Guides for Pull-Sockets, of which the following is a specification.

This invention has for its object to provide a detachable chain guide for pull sockets thatwill snap to place and be self retaining and will moreover be locked against detachment by the socket shell. With these and other objects in view I have ,devised theiiovel detachable chainguide which I will now describe, referring, to the accompanying drawing forming a part of this specification and using reference characters to indicate the several parts.

Figure l is an elevation of a pull socket showing my novel detachable chain guide in place; Fig. 2 a plan view on an enlarged scale, partly broken away, of the socket shell and the upper insulating'block, the cap being removed; Fig. 3 a detail sectional view on the line 3-3 in Fig. 2, looking in the direction of the arrows; Fig. 4 a detail elevation of ,the insulating blocks, the bracket and the chain guide with the socket shell removed; Fig. 5 ai elevation' of the chain guide detached; Fig. 6 a plan view corresponding therewith; and Fig. 7 is aperspective of the bracket detached.

l0 and 11 denote respectively the upper,

and lower insulating blocks of a pull socket, 12 the, socket shell, 15 the cap, 1% the bracket and 15 the chain guide. The details of construction of the socket are not illustrated as specifically they form no portion of the present invention, it being sutlicient for the purposes this specification to state that the insulating blocks are connected by a pluralityot bracdtets, one only of which has any bearing upon the present invention, consequently the others are not illustrated; The bracket 14 comprises a connecting bar 16 and attaching plates 17 which are connected to the insulating blocks respectively by screws 18. The attaching plates are provided with curved sockets l9 and the ends of the connecting bar are shown as provided with recesses 20.

The'chain guide comprises a bell or guide proper 21 which is formed integral with or s rigidly "secured to a bar 22.

it will of course be/obvious that the special details of the sockets 19 in the bracket.

practically important so far as the principle of the invention is concerned. The essential feature is that the bar is provided at each end with a curved lug 23 adapted to engage one of The curvature of the lugs corresponds with the curvatnre of the sockets and the tip of each lug, indicated by 2%, engages one of the recesses 20 in the attaching plates. The outer end of each attaching plate forms a spring arm 26 which overhangs a. boss 25 on the corresponding lug so that the' lugs will spring to place with a snap and make the guide elf-retaining in place. After the socket is assembled the chain guide will be locked in place by the shell and cap, as clearly shown in Fig. 1. To detach the chain guide the socket proper, z'. e. the insulating blocks and parts carried thereby, are removed from the shell, after which the guide and bar 22 may be readily removed by turning the guide toward the right from the position shown in Fig. 2. When this movement is made, bosses 25 will spring'out from under arms 26 leaving the guide free. In

attaching the guide, the tips 24 of the lugs I are placed in recesses 20 and the guide as a whole is given the proper movement to cause the tips to engage recesses 20' and bosses to slip past the overhanging spring arms.

Having thus described my invention I claim: 1

1. A detachable chain guide comprising a hell, :1 bar by which it is carried and which is prov ded with lugs and a bracket having attaching plates provided with sockets adapted to receive the lugs.

2.113. detachable chain guide comprising a hell, :1 bar by which it is carried and which is provided with lugs and a bracket having attach ng plates provided with sockets adapted to receive the lugs and recesses adapted to receive the tips of the lugs.

3. A detachable chain guide comprising a bell, a bar by which it is carried and which is provided with lugs and a bracket having attaching plates provided w th sockets adapted to receive the lugs, the attaching plates being provided with bosses and the ends of the attaching plates forming spring construction of the bell and the bar are un- I with sockets, ot a bell, a bar by which it adapted to engage the sockets to retain the with sockets and a socket shell inclosing the blocks, of a chain guide comprising a bell, a bar by which it is carried and which is inclosed by the shell and lugs on the bar which engage the sockets.

In testimony whereof I afiix my signature in presence of two Witnesses.

HARVEY HUBBELL.

carried and. lugs upon the bar which are bell in place.

5.' The combination With insulating blocks and a bracket comprising a bar and plates attached to the blocks and provided with sockets and spring arms, of a bell, a bar by which it is carried, and lugs upon the bar I provided with bosses Which are engaged by the spring arms to retain the bell in place.

6. The combination with insulating blocks, a bracket connecting them and provided Witnesses:

A. M. Woosrnn, S. W. ATHERTON. 

